Motor And Electrical Tests/Repair; Trim Pump Motor Test; Motor Disassembly - Mercury 150 EFI Service Manual

POWER TRIM

Motor and Electrical Tests/Repair

Trim Pump Motor Test

Do not perform this test near flammable materials, as a spark may occur while
making electrical connections.
1. Connect a 12 volt power supply to motor wires; one motor lead to POSITIVE (+) bat-
tery terminal and the other motor lead to the NEGATIVE (–) battery terminal. Motor
should run. Reverse motor leads between battery terminals. Motor should run.
2. If motor does not run, disassemble and check components.

Motor Disassembly

1. Remove 2 screws.
a -
Page 5B-38
a
a
Screw (2)
WARNING
53774
a
a
53774
90-883728 JULY 2001